A5 version - International Flying Dutchman Class

INTERNATIONAL FLYING DUTCHMAN CLASS RULES 2007 20
81. All sails must be single woven ply. The body of the mainsail
and the genoa must each be of a single colour except for sail
windows, and markings in accordance with ISAF RRS 77 and
Appendix G. Reinforcements are permitted without limitation but it
must be possible to fold the sail, including reinforcements, by hand
in any direction within an outside diameter of 8.0 mm.
82. Double luff sails are prohibited.
83. Sail openings, except eyelets on the centre line of the spinnaker,
and windows, are prohibited. Windows, made of any material, are
permitted only in the mainsail and in the genoa/jib with a total area
that must not exceed a maximum of 1.00 m 2 in each sail.
(number 84 is not used)
85. Emblems - Sail Letters – Numbers
The class emblem shall be the letters FD. The sail number, letters
and class emblem must be placed in accordance with the ISAF RRS
Appendix G. In addition to ISAF Appendix G1.1 (b) mainsails and
spinnakers must carry national letters in home waters. Contrary to
ISAF RRS Appendix G1.3(e) national letters and sail numbers are
not required on genoas.
86. After a sail has passed measurement, the measurer shall stamp
and sign the sail.
Jib/Genoa (Note Rules 37 and 38 repeated for convenience)
37. The bearing point of the jib sheet on its fairlead must be
forward of a plane perpendicular to the deckline and 2000 mm along
the deckline from the transom. It must be impossible to fix the
bearing point of the jib sheet on its fairlead, or to extend the
operational clew cringle of the jib, aft of this plane. The bearing point
of the jib sheet on its fairlead must not exceed a maximum of 60 mm
from the upper side of the deck. The bearing point of the jib sheet is
the after most point of the bottom of the groove of a sheave, or the
forward side of the opening of a fairlead for the jib sheet. (See
diagram)
38. When the boat is fully rigged with sails hoisted in racing trim and
sheeted for windward sailing, no part of the jib must project forward
of or above an imaginary line, drawn from a point on the deck line
5450 mm from the aft side of the transom to a point on the mast
below the lower edge of Limit mark (band) number 4, with a
tolerance forward of 5 mm. (See diagram)